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8/21/2017 1:11PM

Showtime's Espinoza: Mayweather-McGregor Fight Is Real

If boxer Floyd Mayweather beats UFC fighter Conor McGregor in their upcoming blockbuster fight on August 26th, he will break Rocky Marciano's record to become the winningest boxer in history and potentially have grossed more than $1 billion in pay-per-view revenue over four years. Showtime Sports head Stephen Espinoza talks to WSJ's Lee Hawkins about the upcoming fight. Photo: Getty Images